package com.xing.service;

import com.xing.domain.User;

/*
 * 静，谦虚谨慎，心胸宽广容纳所有好的坏的、先苦后甜
 * day39bookshop
 * 2021/4/29 14:07
 */
public interface UserService {

    User login(String username, String pwd);
}
